<p>VALVE A valve including indicating means for indicating overtravel of an operating member beyond its normally closed position for warning that replacement of a seal is necessary. A diaphragm valve has a diaphragm of a material which withstands repeated flexing and is clamped in a unique manner.</p>
申请公布号
CA1238030(A)
申请公布日期
1988.06.14
申请号
CA19840451238
申请日期
1984.04.04
申请人
NUPRO COMPANY
发明人
KOLENC, TERRENCE J.;BORK, CARL R., JR.;STEISS, WILLIAM C.;SHUFFLEBARGER, EARL D.;TOBBE, WILLIAM P.
